CSS 按钮 详解
CSS 按钮
学习如何使用 CSS 设置按钮样式。
基本按钮样式
示例代码:
.button { background-color: #4CAF50; /* Green */ border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; }
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; } </style> </head> <body> <h1>CSS 按钮</h1> <button>默认按钮</button> <a href="#" class="button">链接按钮</a> <button class="button">按钮</button> <input type="button" class="button" value="输入按钮"> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
按钮颜色
请使用 background-color
属性更改按钮的背景色:
示例代码:
.button1 {background-color: #4CAF50;} /* 绿色 */ .button2 {background-color: #008CBA;} /* 蓝色 */ .button3 {background-color: #f44336;} /* 红色 */ .button4 {background-color: #e7e7e7; color: black;} /* 灰色 */ .button5 {background-color: #555555;} /* 黑色 */
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; /* 绿色 */ border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; } .button2 {background-color: #008CBA;} /* 蓝色 */ .button3 {background-color: #f44336;} /* 黑色 */ .button4 {background-color: #e7e7e7; color: black;} /* 灰色 */ .button5 {background-color: #555555;} /* 黑色 */ </style> </head> <body> <h1>按钮颜色</h1> <p>通过 background-color 属性改变按钮的背景色:</p> <button class="button">绿色</button> <button class="button button2">蓝色</button> <button class="button button3">红色</button> <button class="button button4">灰色</button> <button class="button button5">黑色</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
按钮尺寸
请使用 font-size
属性更改按钮的字体大小:
示例代码:
.button1 {font-size: 10px;} .button2 {font-size: 12px;} .button3 {font-size: 16px;} .button4 {font-size: 20px;} .button5 {font-size: 24px;}
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; /* 绿色 */ border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; margin: 4px 2px; cursor: pointer; } .button1 {font-size: 10px;} .button2 {font-size: 12px;} .button3 {font-size: 16px;} .button4 {font-size: 20px;} .button5 {font-size: 24px;} </style> </head> <body> <h1>按钮大小</h1> <p>通过 font-size 属性改变按钮的字体大小:</p> <button class="button button1">10px</button> <button class="button button2">12px</button> <button class="button button3">16px</button> <button class="button button4">20px</button> <button class="button button5">24px</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
请使用 padding
属性更改按钮的内边距:
示例代码:
.button1 {padding: 10px 24px;} .button2 {padding: 12px 28px;} .button3 {padding: 14px 40px;} .button4 {padding: 32px 16px;} .button5 {padding: 16px;}
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; /* 绿色 */ border: none; color: white; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; } .button1 {padding: 10px 24px;} .button2 {padding: 12px 28px;} .button3 {padding: 14px 40px;} .button4 {padding: 32px 16px;} .button5 {padding: 16px;} </style> </head> <body> <h1>按钮大小</h1> <p>通过 padding 属性改变按钮的内边距:</p> <button class="button button1">10px 24px</button> <button class="button button2">12px 28px</button> <button class="button button3">14px 40px</button> <button class="button button4">32px 16px</button> <button class="button button5">16px</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
圆角按钮
请使用 border-radius
属性为按钮添加圆角:
示例代码:
.button1 {border-radius: 2px;} .button2 {border-radius: 4px;} .button3 {border-radius: 8px;} .button4 {border-radius: 12px;} .button5 {border-radius: 50%;}
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; /* 绿色 */ border: none; color: white; padding: 20px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; } .button1 {border-radius: 2px;} .button2 {border-radius: 4px;} .button3 {border-radius: 8px;} .button4 {border-radius: 12px;} .button5 {border-radius: 50%;} </style> </head> <body> <h1>圆角按钮</h1> <p>通过 border-radius 属性为按钮添加圆角:</p> <button class="button button1">2px</button> <button class="button button2">4px</button> <button class="button button3">8px</button> <button class="button button4">12px</button> <button class="button button5">50%</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
彩色的按钮边框
请使用 border
属性为按钮添加彩色边框:
示例代码:
.button1 { background-color: white; color: black; border: 2px solid #4CAF50; /* 绿色 */ } ...
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; /* 绿色 */ border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; } .button1 { background-color: white; color: black; border: 2px solid #4CAF50; } .button2 { background-color: white; color: black; border: 2px solid #008CBA; } .button3 { background-color: white; color: black; border: 2px solid #f44336; } .button4 { background-color: white; color: black; border: 2px solid #e7e7e7; } .button5 { background-color: white; color: black; border: 2px solid #555555; } </style> </head> <body> <h1>有颜色的按钮边框</h1> <p>请使用 border 属性为按钮添加边框:</p> <button class="button button1">绿色</button> <button class="button button2">蓝色</button> <button class="button button3">黑色</button> <button class="button button4">灰色</button> <button class="button button5">黑色</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
可悬停按钮
当鼠标移动到按钮上方时,使用 :hover
选择器可更改按钮的样式。
提示:请使用 transition-duration
属性来确定“悬停”效果的速度:
示例代码:
.button { transition-duration: 0.4s; } .button:hover { background-color: #4CAF50; /* Green */ color: white; } ...
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; /* Green */ border: none; color: white; padding: 16px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; transition-duration: 0.4s; cursor: pointer; } .button1 { background-color: white; color: black; border: 2px solid #4CAF50; } .button1:hover { background-color: #4CAF50; color: white; } .button2 { background-color: white; color: black; border: 2px solid #008CBA; } .button2:hover { background-color: #008CBA; color: white; } .button3 { background-color: white; color: black; border: 2px solid #f44336; } .button3:hover { background-color: #f44336; color: white; } .button4 { background-color: white; color: black; border: 2px solid #e7e7e7; } .button4:hover {background-color: #e7e7e7;} .button5 { background-color: white; color: black; border: 2px solid #555555; } .button5:hover { background-color: #555555; color: white; } </style> </head> <body> <h1>可悬停的按钮</h1> <p>使用 :hover 选择器在鼠标移动到按钮上时改变其样式。</p> <p><b>提示:</b>请使用 transition-duration 属性来确定悬停效果的速度:</p> <button class="button button1">绿色</button> <button class="button button2">蓝色</button> <button class="button button3">红色</button> <button class="button button4">灰色</button> <button class="button button5">黑色</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
阴影按钮
请使用 box-shadow
属性为按钮添加阴影:
示例代码:
.button1 { box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19); } .button2:hover { box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19); }
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; /* Green */ border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; -webkit-transition-duration: 0.4s; /* Safari */ transition-duration: 0.4s; } .button1 { box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19); } .button2:hover { box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24),0 17px 50px 0 rgba(0,0,0,0.19); } </style> </head> <body> <h1>阴影按钮</h1> <p>使用 box-shadow 属性为按钮添加阴影:</p> <button class="button button1">阴影按钮</button> <button class="button button2">悬停时的阴影</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
禁用的按钮
请使用 opacity
属性为按钮添加透明度(创建“禁用”外观)。
提示:您还可以添加带有 "not-allowed" 值的 cursor
属性,当您将鼠标悬停在按钮上时,该属性会显示 "no parking sign"(禁停标志):
示例代码:
.disabled { opacity: 0.6; cursor: not-allowed; }
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; /* 绿色 */ border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; } .disabled { opacity: 0.6; cursor: not-allowed; } </style> </head> <body> <h1>被禁用的按钮</h1> <p>使用 opacity 属性向按钮添加一定的透明度(使它看上去已被禁用)</p> <button class="button">正常按钮</button> <button class="button disabled">被禁用的按钮</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
按钮宽度
默认情况下,按钮的大小取决于其文本内容(与内容的宽度一样)。请使用 width
属性来更改按钮的宽度:
示例代码:
.button1 {width: 250px;} .button2 {width: 50%;} .button3 {width: 100%;}
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; /* Green */ border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; } .button1 {width: 250px;} .button2 {width: 50%;} .button3 {width: 100%;} </style> </head> <body> <h1>按钮宽度</h1> <p>使用 width 属性来改变按钮的宽度:</p> <p><b>提示:</b>请使用像素设置固定宽度,并为响应式按钮使用百分百(例如其父元素的 50%)。请调整窗口大小来查看效果。</p> <button class="button button1">250px</button><br> <button class="button button2">50%</button><br> <button class="button button3">100%</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
按钮分组
删除外边距并向每个按钮添加 float:left
,来创建按钮组:
示例代码:
.button { float: left; }
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .btn-group .button { background-color: #4CAF50; /* 绿色 */ border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; cursor: pointer; float: left; } .btn-group .button:hover { background-color: #3e8e41; } </style> </head> <body> <h1>按钮组</h1> <p>删除外边距并浮动按钮,来创建一个按钮组:</p> <div class="btn-group"> <button class="button">Button</button> <button class="button">Button</button> <button class="button">Button</button> <button class="button">Button</button> </div> <p style="clear:both"><br>请记得之后清除浮动,否则这个 p 元素会向按钮浮动。</p> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
带边框的按钮组
使用 border
属性来创建带边框的按钮组:
示例代码:
.button { float: left; border: 1px solid green; }
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .btn-group .button { background-color: #4CAF50; /* 绿色 */ border: 1px solid green; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; cursor: pointer; float: left; } .btn-group .button:not(:last-child) { border-right: none; /* 阻止双边框 */ } .btn-group .button:hover { background-color: #3e8e41; } </style> </head> <body> <h1>带边框的按钮组</h1> <p>添加边框,来创建带按钮的按钮组:</p> <div class="btn-group"> <button class="button">Button</button> <button class="button">Button</button> <button class="button">Button</button> <button class="button">Button</button> </div> <p style="clear:both"><br>请记得之后清除浮动,否则这个 p 元素会向按钮浮动。</p> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
垂直按钮组
使用 display:block
取代 float:left
将按钮上下分组,而不是并排:
示例代码:
.button { display: block; }
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .btn-group .button { background-color: #4CAF50; /* 绿色 */ border: 1px solid green; color: white; padding: 15px 32px; text-align: center; text-decoration: none; font-size: 16px; cursor: pointer; width: 150px; display: block; } .btn-group .button:not(:last-child) { border-bottom: none; /* 阻止双边框 */ } .btn-group .button:hover { background-color: #3e8e41; } </style> </head> <body> <h1>垂直按钮分组</h1> <div class="btn-group"> <button class="button">Button</button> <button class="button">Button</button> <button class="button">Button</button> <button class="button">Button</button> </div> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
图像上的按钮

完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .container { position: relative; width: 100%; max-width: 400px; } .container img { width: 100%; height: auto; } .container .btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); -ms-transform: translate(-50%, -50%); background-color: #f1f1f1; color: black; font-size: 16px; padding: 16px 30px; border: none; cursor: pointer; border-radius: 5px; text-align: center; } .container .btn:hover { background-color: black; color: white; } </style> </head> <body> <h1>图像上的按钮</h1> <p>为图像添加按钮:</p> <div class="container"> <img src="img_lights.jpg" alt="Snow" style="width:100%"> <button class="btn">按钮</button> </div> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
动画按钮
实例 1
在鼠标悬停时添加箭头:
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { display: inline-block; border-radius: 4px; background-color: #f4511e; border: none; color: #FFFFFF; text-align: center; font-size: 28px; padding: 20px; width: 200px; transition: all 0.5s; cursor: pointer; margin: 5px; } .button span { cursor: pointer; display: inline-block; position: relative; transition: 0.5s; } .button span:after { content: '\00bb'; position: absolute; opacity: 0; top: 0; right: -20px; transition: 0.5s; } .button:hover span { padding-right: 25px; } .button:hover span:after { opacity: 1; right: 0; } </style> </head> <body> <h1>带动画效果的按钮</h1> <button class="button" style="vertical-align:middle"><span>请悬停在我上方</span></button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
实例 2
添加点击时的“按键按下”效果:
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { display: inline-block; padding: 15px 25px; font-size: 24px; cursor: pointer; text-align: center; text-decoration: none; outline: none; color: #fff; background-color: #4CAF50; border: none; border-radius: 15px; box-shadow: 0 9px #999; } .button:hover {background-color: #3e8e41} .button:active { background-color: #3e8e41; box-shadow: 0 5px #666; transform: translateY(4px); } </style> </head> <body> <h1>带动画效果的按钮 - 按键效果</h1> <button class="button">请点击我</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
实例 3
鼠标悬停时淡入:
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> .button { background-color: #f4511e; border: none; color: white; padding: 16px 32px; text-align: center; font-size: 16px; margin: 4px 2px; opacity: 0.6; transition: 0.3s; display: inline-block; text-decoration: none; cursor: pointer; } .button:hover {opacity: 1} </style> </head> <body> <h1>淡入按钮 - 淡入效果</h1> <button class="button">请悬停在我上方</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html
实例 4
添加点击时的“涟漪”效果:
完整实例【亲自试一试】:
<!DOCTYPE html> <html> <head> <style> .button { position: relative; background-color: #4CAF50; border: none; font-size: 28px; color: #FFFFFF; padding: 20px; width: 200px; text-align: center; transition-duration: 0.4s; text-decoration: none; overflow: hidden; cursor: pointer; } .button:after { content: ""; background: #f1f1f1; display: block; position: absolute; padding-top: 300%; padding-left: 350%; margin-left: -20px !important; margin-top: -120%; opacity: 0; transition: all 0.8s } .button:active:after { padding: 0; margin: 0; opacity: 1; transition: 0s } </style> </head> <body> <h1>带动画效果的按钮 - 涟漪效果</h1> <button class="button">请点击我</button> </body> </html>
可以使用本站在线JavaScript测试工具测试上述代码运行效果:http://www.phpcodeweb.com/runjs.html